65672500

素因数分解:

$2^2\times 5^4\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 60

約数和(自身を含む): 145531540

約数和(自身を除く): 79859040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 241, 250, 436, 482, 500, 545, 625, 964, 1090, 1205, 1250, 2180, 2410, 2500, 2725, 4820, 5450, 6025, 10900, 12050, 13625, 24100, 26269, 27250, 30125, 52538, 54500, 60250, 68125, 105076, 120500, 131345, 136250, 150625, 262690, 272500, 301250, 525380, 602500, 656725, 1313450, 2626900, 3283625, 6567250, 13134500, 16418125, 32836250, 65672500]

約数ペア:

[(1, 65672500), (2, 32836250), (4, 16418125), (5, 13134500), (10, 6567250), (20, 3283625), (25, 2626900), (50, 1313450), (100, 656725), (109, 602500), (125, 525380), (218, 301250), (241, 272500), (250, 262690), (436, 150625), (482, 136250), (500, 131345), (545, 120500), (625, 105076), (964, 68125), (1090, 60250), (1205, 54500), (1250, 52538), (2180, 30125), (2410, 27250), (2500, 26269), (2725, 24100), (4820, 13625), (5450, 12050), (6025, 10900)]